Agilent Technologies E6198B User Manual page 248

B
Register Definitions
Bit
Purpose
Setting
B-32
(>500 s). The timers restart whenever the registers controlling
the respective relays are written to or the card is reset. The card
remains in the busy state until both timers have timed out.
Bit
Purpose
Setting
• Read Only
• Undefined bits read back as all 1s
• BUSY~: 0 = Busy, 1 = Ready
Current Sense Select (W) Base + 3
This register controls the current sense (Isense) relays of the
card and enables the differential amplifier. (See
Since only one current sense channel at a time per slot is
allowed, these channel selects are encoded. This allows
selection of zero or only one current sense relay at a time.
Writing to this register starts the reed relay timer.
7 6-5
DSS Undefined
Select No. all 1s
• Write Only
• Undefined bits read back as all 1s
• DSS: Differential amplifier select. Set to 1 to place diff amp
into Isense path.
• CSS: current sense select (Isense). Bits 0-4 select the channel
to connect to the Isense bus.
• Valid CSS values are: 01-10
01 selects ch1
h
02 selects ch2
h
etc.
0F selects ch15
h
10 selects ch16
h
CC8
CC8
state
4 3
CSS4 CSS3
Select No. Select No.
2h
7-1 0
Undefined BUSY~
all 1s state
h
Figure
2 1
CSS2 CSS1
Select No. Select No.
. For example,
E6198B Switch/Load Unit User Manual
B-10.)
0
CSS0
Select No.